Synthesis, Crystal Structures, Phase Transition Characterization and Thermal Properties of the (1–x)PbZrO3-xPb(Co1/3Nb2/3)O3 Solid Solution System

W. Banlue; R. Muanghlua; Wanwilai C. Vittayakorn; Naratip Vittayakorn

doi:10.4028/www.scientific.net/AMR.55-57.121

Paper Titles

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 55-57Synthesis, Crystal Structures, Phase Transition...

Synthesis, Crystal Structures, Phase Transition Characterization and Thermal Properties of the (1–x)PbZrO₃-xPb(Co_1/3Nb_2/3)O₃ Solid Solution System

Abstract:

The phase transition behavior of the (1–x) PbZrO3-xPb(Co1/3Nb2/3)O3 (PZCN) solid solution system (0 ≤ x ≤ 0.30) has been investigated by X-ray diffraction and DSC. In the solid solution, for x ≤ 0.20, the transition shows a first-order phase transition behavior and its antiferroelectric (AFE) crystal structure is orthorhombic. The transition temperature gradually decreases with increased Co2+/Nb5+ concentration. On the composition range 0.20 ≤ x ≤ 0.30, a typical relaxor-like behavior is displayed. The low temperature crystal structure is pseudo-cubic in this composition range. With these data, the ferroelectric phase diagram between PZ and PCoN has been established.